What is the cheapest airline that flies from Portland to Ireland?

Lufthansa, KLM, and British Airways are the most popular carriers operating from Portland to Ireland

What airlines fly to Ireland?

United Airlines, Icelandair and Delta are the top three most popular airlines that fly to Ireland from Portland according to our data. United Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 10 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Ireland?

Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Ireland?

As of February 2026, there are 10 operators available to choose from for flights from Portland Airport to Ireland.

How old do you have to be to fly from Portland Airport to Ireland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$258 Cheap Flights from Portland to Ireland in 2026

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Find the cheapest flights from Portland to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 1:15 pm

PDX

DUB

13h 45m

1 stop

12:15 pm - 6:00 pm

DUB

PDX

13h 45m

1 stop

$427Icelandair

Mon, Apr 13 - Sun, Apr 19

3:30 pm - 1:15 pm

PDX

DUB

13h 45m

1 stop

12:15 pm - 6:00 pm

DUB

PDX

13h 45m

1 stop

$434Icelandair

Mon, Apr 13 - Wed, Apr 29

3:30 pm - 11:05 am

PDX

DUB

11h 35m

1 stop

12:15 pm - 6:00 pm

DUB

PDX

13h 45m

1 stop

$442Icelandair

Tue, Apr 28 - Wed, May 6

7:05 pm - 7:10 am

PDX

DUB

28h 05m

2 stops

8:00 am - 7:14 pm

DUB

PDX

42h 14m

2 stops

$462Air Canada

Mon, Mar 2 - Wed, Mar 11

8:05 am - 7:20 am

PDX

DUB

15h 15m

1 stop

9:50 am - 8:42 pm

DUB

PDX

42h 52m

2 stops

$464United Airlines

Sun, Apr 19 - Mon, Apr 27

7:14 pm - 7:20 am

PDX

DUB

28h 06m

2 stops

9:50 am - 9:30 am

DUB

PDX

31h 40m

1 stop

$466United Airlines

Tue, Apr 28 - Wed, May 6

7:00 am - 11:10 am

PDX

SNN

20h 10m

1 stop

1:05 pm - 9:35 pm

SNN

PDX

16h 30m

1 stop

$489Delta

Mon, Aug 24 - Sun, Sep 6

1:52 pm - 7:50 pm

PDX

ORK

21h 58m

2 stops

11:25 am - 10:47 pm

ORK

PDX

19h 22m

2 stops

$686British Airways

Fri, May 1 - Fri, May 8

8:45 am - 10:45 am

PDX

ORK

18h 00m

2 stops

11:25 am - 10:47 pm

ORK

PDX

19h 22m

2 stops

$710British Airways

Tue, Apr 28 - Tue, May 19

10:50 am - 3:10 pm

PDX

ORK

20h 20m

3 stops

8:30 pm - 6:45 pm

ORK

PDX

30h 15m

3 stops

$833Air Canada

Tue, Apr 28 - Tue, May 19

KLM flights from Portland to Ireland

Our best KLM deals on Portland to Ireland flight tickets

KLM

Apr 11

PDX2:00 pmPortland

33h 55m

1 stop

DUB7:55 amDublin

Apr 18

DUB1:25 pmDublin

29h 45m

1 stop

PDX11:10 amPortland

$472

KLM

Mar 1

PDX6:45 amPortland

17h 00m

1 stop

DUB7:45 amDublin

Mar 8

DUB5:15 pmDublin

26h 10m

1 stop

PDX12:25 pmPortland

$473

KLM

Mar 24

PDX6:30 amPortland

18h 15m

1 stop

DUB7:45 amDublin

Mar 31

DUB11:10 amDublin

32h 00m

1 stop

PDX11:10 amPortland

$478

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets

Icelandair

Apr 13

PDX3:30 pmPortland

13h 45m

1 stop

DUB1:15 pmDublin

Apr 19

DUB12:15 pmDublin

13h 45m

1 stop

PDX6:00 pmPortland

$427

Icelandair

Apr 13

PDX3:30 pmPortland

13h 45m

1 stop

DUB1:15 pmDublin

Apr 29

DUB12:15 pmDublin

13h 45m

1 stop

PDX6:00 pmPortland

$434

Icelandair

Apr 28

PDX3:30 pmPortland

11h 35m

1 stop

DUB11:05 amDublin

May 6

DUB12:15 pmDublin

13h 45m

1 stop

PDX6:00 pmPortland

$442

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/13

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Sun 4/19

12:15 pm-6:00 pm

1 stop13h 45m

$427

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 4/13

3:30 pm-1:15 pm

1 stop13h 45m

Dublin

Wed 4/29

12:15 pm-6:00 pm

1 stop13h 45m

$434

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/28

3:30 pm-11:05 am

1 stop11h 35m

Dublin

Wed 5/6

12:15 pm-6:00 pm

1 stop13h 45m

$442

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 3/2

7:05 pm-7:10 am

2 stops28h 05m

Dublin

Wed 3/11

8:00 am-7:14 pm

2 stops42h 14m

$462

PortlandDublin

PDX - DUB

PDXDUB

Portland

Sun 4/19

8:05 am-7:20 am

1 stop15h 15m

Dublin

Mon 4/27

9:50 am-8:42 pm

2 stops42h 52m

$464

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 4/28

7:14 pm-7:20 am

2 stops28h 06m

Dublin

Wed 5/6

9:50 am-9:30 am

1 stop31h 40m

$466

PortlandShannon

PDX - SNN

PDXSNN

Portland

Mon 8/24

7:00 am-11:10 am

1 stop20h 10m

Shannon

Sun 9/6

1:05 pm-9:35 pm

1 stop16h 30m

$489

PortlandCork

PDX - ORK

PDXORK

Portland

Fri 5/1

1:52 pm-7:50 pm

2 stops21h 58m

Cork

Fri 5/8

11:25 am-10:47 pm

2 stops19h 22m

$686

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 4/28

8:45 am-10:45 am

2 stops18h 00m

Cork

Tue 5/19

11:25 am-10:47 pm

2 stops19h 22m

$710

PortlandCork

PDX - ORK

PDXORK

Portland

Tue 4/28

10:50 am-3:10 pm

3 stops20h 20m

Cork

Tue 5/19

8:30 pm-6:45 pm

3 stops30h 15m

$833

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ireland?

In general, January is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $485. If you aren’t able to travel to Ireland during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $491.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $614 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $588 on momondo.

Can stopping save me money on Portland to Ireland flights?

You could potentially save up to 38% on your flight if you consider stops on a Portland to Ireland flight.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Fastest flight time	11h 35m
Direct flights	None

The fastest flight from Portland to Ireland takes 11h 35m

There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.

Search flight deals

When did momondo last update prices for flights from Portland Airport to Ireland?
Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Ireland?
As of February 2026, there are 10 operators available to choose from for flights from Portland Airport to Ireland.
How old do you have to be to fly from Portland Airport to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $354	Free Cancellation	Rating 7.1 617 reviews	Search Icelandair flights
Iberia	PriceFrom $437	Free Cancellation	Rating 7.0 3,127 reviews	Search Iberia flights
British Airways	PriceFrom $459	Free Cancellation	Rating 6.7 7,771 reviews	Search British Airways flights
United Airlines	PriceFrom $463	Free Cancellation	Rating 7.4 9,350 reviews	Search United Airlines flights
American Airlines	PriceFrom $467	Free Cancellation	Rating 7.2 11,354 reviews	Search American Airlines flights
Delta	PriceFrom $468	Free Cancellation	Rating 7.9 8,243 reviews	Search Delta flights
KLM	PriceFrom $473	Free Cancellation	Rating 7.7 1,460 reviews	Search KLM flights
Lufthansa	PriceFrom $477	Free Cancellation	Rating 6.8 7,814 reviews	Search Lufthansa flights
Air Canada	PriceFrom $483	Free Cancellation	Rating 7.1 10,748 reviews	Search Air Canada flights
Aer Lingus	PriceFrom $676	Free Cancellation	Rating 7.2 1,464 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities

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Complete your trip

Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $294

Flights to Shannon, Clarefrom $354

Flights to Corkfrom $393

Flights to Milltown (Kerry)from $660

Flights to Knockfrom $609

Flights to Donegalfrom $767

Cheap flights from Portland to Ireland from $258

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

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Filter for what you want

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Find the cheapest flights from Portland to Ireland

Cheap round-trip flights

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KLM flights from Portland to Ireland

Our best KLM deals on Portland to Ireland flight tickets

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets

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Use the filters below to find and compare flights from Portland to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

What is the cheapest month to fly to Ireland?

How far in advance should I book a flight to Ireland?

Can stopping save me money on Portland to Ireland flights?

What is the cheapest airline that flies from Portland to Ireland?

What airlines fly to Ireland?

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Fastest flight time

Direct flights

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Why use momondo?

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year